General description The 10PCS Diamond Polishing Pads kit includes a comprehensive selection of polishing tools designed for efficient surface finishing. This kit features 10 pieces of 4-inch diamond sanding pads, 2 wool felt polishing pads, a 3/8 inch-11 hook and loop backing pad, and an 8mm drill adapter, making it suitable for various applications on solid materials such as concrete, tile, stone, marble, and quartz. Technical specifications Pad size: 4 inches Grit levels: 30#, 50#, 100#, 200#, 400#, 800#, 1500#, 3000#, 6000#, 8000# Backing pad: 3/8 inch-11 hook and loop Drill adapter: 8mm Optimal RPM: 2200 Max RPM: 4500 Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with household electric drills, grinders, and polishers Includes 10 diamond sanding pads and 2 wool felt polishing pads Comes with a hook and loop backing pad for easy installation Installation Attach the polishing pads to the hook and loop backing pad Connect the backing pad to your